Preheat oven to 375°
Cut spaghetti squash in half, lengthwise
Scoop out seeds
Brush inside with olive oil and season with salt and pepper
Place cut side down on a baking sheet lined with parchment paper
Bake until squash is tender when pierced with a fork; approximately 50-60 minutes
When squash is cool enough to handle, scrape spaghetti strands from inside with a fork